"The companies claim the result is a potential savings of more than 150 gallons during a multi-flight day for an airplane like the A320 or Boeing’s 737. Overall

"The companies claim the result is a potential savings of more than 150 gallons during a multi-flight day for an airplane like the A320 or Boeing’s 737. Overall an airplane equipped with the EGTS could cut fuel consumption by four percent over the course of a year." Another step to help reduce the costs of air travel. Follows the trend of airlines and manufacturers choosing to provide more efficient air travel vs faster air travel to consumers: https://medium.com/lift-and-drag/7885a299bca2 https://medium.com/lift-and-drag/7885a299bca2 It's a pretty funny trend since, as both articles suggest, speed is the cooler/sexier technology. Goes to show that it isn't always the cooler inventions that have the greatest impact.